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Finding the Fourth Proportional to 3,307.44, 4,961.16 and 998.94

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Solution

The fourth proportional to 3,307.44, 4,961.16 and 998.94 is: 1,498.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.44 : 4,961.16 = 998.94 : x
  2. Step 2: Convert to fraction form
    3,307.44/4,961.16 = 998.94/x
  3. Step 3: Cross multiply
    3,307.44x = 4,961.16 × 998.94
  4. Step 4: Simplify right side
    3,307.44x = 4,955,896.18
  5. Step 5: Solve for x
    x = 4,955,896.18/3,307.44
  6. Step 6: Final answer
    x = 1,498.41

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.